I believe that you can
ask the big questions about life, the universe, and everything in many ways. One of them — maybe less obvious — might be this:

How much time do we have?
And what are we going to do with it?

When I started thinking about these two questions I quickly found myself trapped in a number of feedback loops; time consuming loops, to say the least.

Yet, a whole bunch of people and scientists keep reiterating their unfortunately most valuable theories, ideas, findings, and models about what might have happened and what might happen (see e.g. Wikipedia: Global Change, start.org, or essp.org).

Assuming we have 10 years left (for whatever) what are we going to do?
Assuming we have only 1 year left (for whatever) what are we going to do?
And assuming we do not know how much time we have left what are we going to do?

Apparently, we are using time asking questions, and reading and writing posts on strange blogs.